A randomized 25 question test from a pool of 761 questions, good luck!
Which of the data transmission modes below best is described as a two way alternating transmission?
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that implements two separate communication systems to ensure redundancy for critical processes?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as the optimal operating conditions?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
There are many versions of Modbus, one of those is Modbus RTU. Which of the answers below correctly orders the components of the Modbus RTU frame?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
There are several vital components to asynchronous transmission. Which of the answers below best relates to one that is not important?
Which of the Hart access methods below can be best described as one that the scan rates are substantially increased over the master/slave method?
Which of the terms below is best described as "losses resulting from the amount of bends in an installation."?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
The field instrument to PLC communication is best defined by which of the answers below?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
Ethernet network components provide several ISO layers of transmission control. Which of the network components below has transmission controls only on the ISO physical and data link layers?
Which of the antenna below can be best described as "omnidirectional"?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is best known for the being smallest power consumer, with the fastest data transmission rates?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
A typical DCS has at least four layers in it's architecture. Fieldbus and DeviceNet are all under the direct control of which of the layers below?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the operators access the various HMI subsystems to interact with a process control system?
Which one is best described as connecting the input signal of a device, with the output of the converter itself?
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
Ethernet/IP is based on a protocol that the higher OSI layers of DeviceNet uses. Which of the answers below is the correct acronym for this protocol?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the firewall interacts with?